Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.1%
|
-7 | Does not apply | 28 |
2.9%
|
0 | No obstacle | 286 |
29.6%
|
1 | Minor obstacle | 256 |
26.5%
|
2 | Moderate obstacle | 232 |
24%
|
3 | Major obstacle | 120 |
12.4%
|
4 | Very severe obstacle | 43 |
4.5%
|